Home / 3,114,145.10-4,665,688.05-1,930,810.70

Finding the Fourth Proportional to 3,114,145.10, 4,665,688.05 and 1,930,810.70

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Solution

The fourth proportional to 3,114,145.10, 4,665,688.05 and 1,930,810.70 is: 2,892,787.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,114,145.10 : 4,665,688.05 = 1,930,810.70 : x
  2. Step 2: Convert to fraction form
    3,114,145.10/4,665,688.05 = 1,930,810.70/x
  3. Step 3: Cross multiply
    3,114,145.10x = 4,665,688.05 × 1,930,810.70
  4. Step 4: Simplify right side
    3,114,145.10x = 9,008,560,409,802.14
  5. Step 5: Solve for x
    x = 9,008,560,409,802.14/3,114,145.10
  6. Step 6: Final answer
    x = 2,892,787.63

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.